Thresholding implemented in the frequency domain.
Zhenghong LeePublished in: IEEE Trans. Image Process. (2001)
Keyphrases
- frequency domain
- spatial domain
- denoising
- fourier transform
- cross correlation
- low frequency
- power spectrum
- image segmentation
- feature extraction
- frequency analysis
- low pass
- facial asymmetry
- affine invariance
- spectral domain
- edge detection
- frequency response
- image processing
- frequency domain analysis
- power spectra
- computer vision
- subband
- gray level
- multiscale
- fourier domain
- fast fourier transform
- high quality
- face recognition
- spectrum analysis